Gaya APA
CD-ROM: upgrade. (1994).
Singapore:
Creative Technology.
Gaya Chicago
CD-ROM: upgrade.
.
Singapore:
Creative Technology,
1994.
.
Gaya MLA
CD-ROM: upgrade.
.
Singapore:
Creative Technology,
1994.
.
Gaya Turabian
CD-ROM: upgrade.
Singapore:
Creative Technology,
1994.
.